Valve system



FIG. 1 is a perspective view of a valve system as showing our newdesign;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a perspective view in an alternate configuration.

CLAIM The ornamental design for a valve system, as shown and described.